We can use CAN for...

• abilities about the present and the past

• for polite requests

• for permission

• all the above are correct

We can use COULD for...

• polite requests

• past abilities

• possibilities and suggestions

• all the above are correct

MUST and MUSTN'T are used as...

• obligation and prohibition

• to forbid something

• must is obligation, but mustn't is not necessary

• mustn't is not the negative of must

MAY is the past of MIGHT

• True

• False

The negative of SHOULD is...

• ought not to

• should not to

• ought not

• should not

We use WOULD

• for things we did regularly in the past but not anymore

• for things we did regularly in the past and still do

• for abilities we had in the past

• for abilities in the past and in the present

HAVE TO is...

• for rules

• for obligations

• it is like ought to

• for possession

Hey! I need your advice! What _________ I do?

• have to

• should

• ought

• do

She ___________ to wear uniform to school. She studies in Regina Carmeli.

• ought

• must

• has

• have

Tomorrow it____________ rain. The sky is grey.

• may

• migt

• should

• doesn't have to